Home / 123,920.54-185,902.68-43,982.96

Finding the Fourth Proportional to 123,920.54, 185,902.68 and 43,982.96

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Solution

The fourth proportional to 123,920.54, 185,902.68 and 43,982.96 is: 65,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,920.54 : 185,902.68 = 43,982.96 : x
  2. Step 2: Convert to fraction form
    123,920.54/185,902.68 = 43,982.96/x
  3. Step 3: Cross multiply
    123,920.54x = 185,902.68 × 43,982.96
  4. Step 4: Simplify right side
    123,920.54x = 8,176,550,138.33
  5. Step 5: Solve for x
    x = 8,176,550,138.33/123,920.54
  6. Step 6: Final answer
    x = 65,982.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.